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5 Written questions

5 Matching questions

  1. ribose
  2. triacylglycerol
  3. protein
  4. steroid
  5. chitin
  1. a a type of lipid that consists of four carbon rings to which various functional groups are attached
  2. b The sugar component of RNA
  3. c A three-dimensional biological polymer constructed from a set of 20 different monomers called amino acids
  4. d A structural polysaccharide of an amino sugar found in many fungi and in the exoskeletons of all arthropods
  5. e Three fatty acids linked to one glycerol molecule

5 Multiple choice questions

  1. A chemical reaction in which two molecules covalently bond to each other with the removal of a water molecule
  2. A structural polysaccharide of cell walls, consisting of glucose monomers joined by b-1, 4-glycosidic linkages
  3. A storage polysaccharide in plants consisting entirely of glucose
  4. A polymer of up to over a thousand monosaccharides, formed by condensation reactions
  5. A long molecule consisting of many similar or identical monomers linked together

5 True/False questions

  1. amino acida long carbon chain carboxylic acid. fatty acids vary in length and in the number and location of double bonds; three fatty acids linked to a glycerol molecule form fat


  2. monosaccharideThe simplest carbohydrate, active alone or serving as a monomer for disaccharides and polysaccharides. Also known as simple sugars, the molecular formulas of monosaccharides are generally some multiple of CH20


  3. primary structurethe level of protein structure referring to the specific sequence of amino acids


  4. beta pleated sheetOne form of the secondary structure of proteins in which the polypeptide chain folds back and forth, or where two regions of the chain lie parallel to each other and are held together by hydrogen bonds


  5. purineA discrete unit of hereditary information consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses)


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